Records for Ontario Area, Oregon (ONOthr) on 05-02
Record Highs
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1: 94°F (1947)
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2: 91°F (1966)
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3: 87°F (1971)
Record Lows
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1: 26°F (1954)
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2: 26°F (1948)
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3: 29°F (2008)
Lowest Highs
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1: 55°F (2000)
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2: 53°F (1957)
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3: 52°F (1979)
Highest Lows
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1: 49°F (1964)
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2: 55°F (1950)
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3: 57°F (1999)
Highest May temperature:
103°F on 05-29-1986.
Lowest May temperature:
25°F on 05-01-1946.
Average temperature is 55.5°F
Average high is 68.8°F
Average low is 42.2°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.52" (2009)
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2: 0.41" (1960)
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3: 0.35" (2007)
Precipitation data from 1945 to 2022.